19637580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2389}}^1$

素因数の和:2538

約数の個数: 48

約数和(自身を含む): 55409760

約数和(自身を除く): 35772180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2389, 2740, 4110, 4778, 7167, 8220, 9556, 11945, 14334, 23890, 28668, 35835, 47780, 71670, 143340, 327293, 654586, 981879, 1309172, 1636465, 1963758, 3272930, 3927516, 4909395, 6545860, 9818790, 19637580]

約数ペア:

[(1, 19637580), (2, 9818790), (3, 6545860), (4, 4909395), (5, 3927516), (6, 3272930), (10, 1963758), (12, 1636465), (15, 1309172), (20, 981879), (30, 654586), (60, 327293), (137, 143340), (274, 71670), (411, 47780), (548, 35835), (685, 28668), (822, 23890), (1370, 14334), (1644, 11945), (2055, 9556), (2389, 8220), (2740, 7167), (4110, 4778)]